NEC EXPRESS 5800 ES1400 SERIES Online Service Manual page 17

n Support for both 10 Mbps and 100 Mbps networks, capable of full or half duplex, with back-to-
back transmit at 100 Mbps.
The network status LEDs on the system board indicate:
n Transmit/receive activity on the LAN
n Valid link to the LAN
n 10/100 Mbps transfer mode.
System Overview 1-9